Around the world, Janayna (Janayna 
) is quite a rare feminine first name. The first name Janayna is habitual in Brazil, where it is quite a rare female name, and Portugal, where it is a rare female name.
| VARIANT | COUNTRY |
|---|---|
| Janayna | Portugal, Spain, Philippines, United States, Brazil |
| janayna gomes paiva-oliveira researcher |
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| janayna d lima researcher (ORCID 0000-0002-7229-8446) |
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| janayna elizabeth pereira vilela galante person identified in the Museu da Pessoa collection |
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| janayna thayane santana paulino Person identified in the Museu da Pessoa collection (201288), BR |
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Melo, Martins, Marques, Machado, Miranda, Santana, Almeida, Andrade, Cardoso, Barbosa, Batista, Bezerra, Pereira, Ribeiro, Freitas, Siqueira, Carvalho, Pinheiro, Ferreira, Oliveira, Rodrigues, Goncalves, Vieira, Barros, Campos, Castro, Cruz, Rosa, Reis, Dias, Lima, Moura, Silva, Sousa, Souza, Alves, Fernandes, Costa, Ramos, Rocha, Gomes, Lopes, Nunes, Moraes, Mendes, Santos, Soares, Araujo, Brito, and Nascimento